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https://issues.apache.org/jira/browse/LUCENE-7339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15333572#comment-15333572
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Adrien Grand commented on LUCENE-7339:
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Thanks for looking Uwe! I guess the class comparison is mainly me being
paranoid. In that case it does not matter since BitSetConjunctionDISI is final,
but otherwise instanceof might also match sub classes. I can change it if you
like instanceof better.
> Bring back RandomAccessFilterStrategy
> -------------------------------------
>
> Key: LUCENE-7339
> URL: https://issues.apache.org/jira/browse/LUCENE-7339
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Priority: Minor
> Attachments: LUCENE-7339.patch
>
>
> FiteredQuery had 3 ways of running conjunctions: leap-frog, query first and
> random-access filter. We still use leap-frog for conjunctions and we now have
> a better "query-first" strategy through two-phase iteration. However, we
> don't have any equivalent for the random-access filter strategy.
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